In processing of array signal, Direction of Arrival (DOA) of target can be obtained by extracting spatial frequency of echo.
在阵列信号处理中，提取回波信号中的空间频率，可以得到目标的方位信息。
The method and apparatus comprises transmitting a packet and a redundant packet according to spatial, time and frequency diversity to enhance the redundancy error processing.
所述方法和设备包括根据空间，时间和频率分集来传输分组和冗余分组，以增强冗余错误处理。
In this paper, we introduce a new optical processing system utilizing reflecting spatial frequency filtering.
本文作者经过一系列的实验，研究出一种新的反射式滤波的光学处理系统。
From the digital image processing knowledge, the enhanced process can generally be divided into two categories, one is the frequency domain processing and the other is spatial processing.
从数字图像处理知识知道，增强处理一般可以分为频域处理方法和空域处理方法两大类。
From the digital image processing knowledge, the enhanced process can generally be divided into two categories, one is the frequency domain processing and the other is spatial processing.
从数字图像处理知识知道，增强处理一般可以分为频域处理方法和空域处理方法两大类。
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